Marathon MSAR (Medium Search & Rescue) Diver's QuartzvsUnimatic Modello Quattro UT4 Toolwatch Time Only (40mm)
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

MSAR (Medium Search & Rescue) Diver's Quartz

Modello Quattro UT4 Toolwatch Time Only (40mm)
Diameter
36mm
40mm
Thickness
18mm
n/a
Water Resistance
300m
300m
MSRP
$1,450
$515
lowest
Movement
Swiss High-Torque Quartz
Seiko VH31
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Marathon MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action. The 36mm case is described as comfortable and growing on wearers, with the watch itself considered incredibly tough and practical. Accuracy is reported within a few seconds of atomic time, and the case is considered solid with scratch-resistant crystal. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and robust, enjoyable tool watch characteristics.
The Unimatic Modello Quattro UT4 Toolwatch Time Only (40mm) is widely praised for its ultra-rugged, durable construction and Unimatic's signature utilitarian aesthetic, meeting MIL-STD-810 standards. Reviewers highlight its grab-and-go convenience and value as a tough quartz option. Some sources note a slimmer, more wearable 12.05mm case profile, attributed to the Seiko VH31 quartz movement, which is considered perfect for its set-and-forget nature. However, one reviewer found its new dial design too conventional, noting a resemblance to other watches, and another suggested solid quartz watches can be found for less. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4 Toolwatch Time Only (40mm) highly for its robust build and practical quartz convenience at a good value.
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